Why is the body open?

Started Feb 9, 2013 | Questions thread
Peter A. Stavrakoglou Veteran Member • Posts: 7,871
Re: Not all cameras are open when lenses removed!

If you are asking about the Sigma DSLRs, the sensor is covered by a piece of glass and the dust protector that covers the opening of the body is also a UV filter.  For other DSLRs, there is a filter on the sensor that is a UV and AA filter.

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